US8638235B2 - Method for controlling a lighting system - Google Patents

Method for controlling a lighting system Download PDF

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Publication number
US8638235B2
US8638235B2 US13/144,064 US200913144064A US8638235B2 US 8638235 B2 US8638235 B2 US 8638235B2 US 200913144064 A US200913144064 A US 200913144064A US 8638235 B2 US8638235 B2 US 8638235B2
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Prior art keywords
color
lighting system
rgb
light emitted
operating element
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US20120025738A1 (en
Inventor
Dirk Beiner
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Traxon Technologies Ltd
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Traxon Technologies Europe GmbH
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Assigned to TRAXON TECHNOLOGIES LTD. reassignment TRAXON TECHNOLOGIES LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: OSRAM GMBH
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour of the light

Definitions

  • the invention is related to a method for controlling a lighting system by means of an operating element and at least one color display, wherein the color display can represent all colors of the RGB color space with variable intensity and assumes the color of the light generated by the lighting system.
  • the control of lighting systems that can emit light in different colors and brightnesses is usually performed by means of an operating panel with switches and regulators.
  • switches and regulators are provided for setting the hue, the color saturation and the intensity.
  • a regulator is embodied as a touch-sensitive sensor in the form of a circle by means of which, depending on the position of further switches, the hue, the color saturation and the intensity are set.
  • the sensor is permanently provided with the colors of the chromatic circle.
  • the colors of the chromatic circle are run through, and the color saturation is set between the saturated hue and white.
  • the brightness of the chosen color is influenced with the intensity.
  • One object of the invention is to provide a method for controlling a lighting system that allows a continuous variation of the hue and/or of the saturation of the emitted light of a lighting system with an optical supervision in an operating process.
  • the method makes it possible to control a lighting system by means of an operating element and at least one color display, wherein the color display can represent all colors of the RGB color space with variable intensity.
  • the color of the light when the operating element is touched, the color of the light is altered in such a way that it traverses the RGB color space on a predetermined trajectory and the color display assumes the color of the light emitted by the lighting system.
  • Touching the operating element alters the color of the light generated by the lighting system.
  • the hue that is to say the saturated colors of the chromatic circle
  • the color saturation between the saturated hue and the white point in one operating process.
  • the chromatic circle is represented in the RGB color space, which contains all saturated colors and the pastel shades thereof through to white.
  • the color display is able to represent all colors of the RGB color space. It assumes the respectively set color that is also emitted by the lighting system. When the operating element is touched, the color display alters its color in the same way as the color of the emitted light changes.
  • the alteration of the color when the operating element is touched is effected, then, such that the RGB color space is traversed on a predetermined trajectory.
  • Said trajectory can be defined such that the color of the light varies periodically between the saturated hues and the white point. Therefore, the colors firstly run through all the pastel shades before changing to a changed saturated hue.
  • the trajectory in the RGB color space can be configured such that only the intensity of the light is altered in the case of a preset color. Therefore, the emitted light is varied between bright and dark.
  • the trajectory in the RGB color space can be configured such that the color temperature of white light is altered continuously.
  • the spectral component is therefore altered continuously from an overweighting of blue to an overweighting of red. Consequently, the mood based on the white light can be altered.
  • the operating element is a touch sensor, which can detect a touch at different locations or a spatial alteration of the touch.
  • part of the predetermined trajectory in the RGB color space is then traversed, for example the pastel shades of a hue currently set.
  • the traversed part of the trajectory can extend over a plurality of saturated hues and multiple traversal of the white point.
  • the speed at which the color is altered is coupled to the speed of the movement on the touch sensor.
  • a small part of the trajectory is traversed and a pastel shade can be set precisely.
  • the desired hues are reached rapidly.
  • a specific hue can also be reached rapidly if the operating element has identified locations at which a color indicated there is set directly by the operating element being touched in a punctiform fashion. The same effect can also be achieved for identified intensities of the light.
  • the direct selection of hue or intensity is supported if the locations of the operating element are in each case identified by color displays which indicate the color or intensity that can be set.
  • the operating element can be designed in circular fashion and display elements that indicate the selectable color as a chromatic circle can be positioned at the outer edge of said operating element.
  • the arrangement of operating elements preferably comprises at least one control device by means of which a method for controlling a lighting system as described here is carried out. That is to say that the features of the method described here are also disclosed for the arrangement, and vice versa.
  • the control device comprises, for example, at least one microprocessor.
  • FIG. 1 shows a circular operating element with color displays arranged around it.
  • FIG. 2 shows a chromatic circle with a trajectory leading periodically to the white point.
  • FIG. 3 shows a chromatic circle with a trajectory that changes the color temperature of white.
  • FIG. 1 illustrates an arrangement 1 of operating elements such as is used for implementing the method according to the invention.
  • the display elements that form the color display 3 are arranged in a circle. They can assume all colors of the RGB color space. In this illustration it is assumed that the chromatic circle is represented. It is identified by the letters RGB.
  • the circular touch sensor 2 is arranged within the display.
  • the display elements that form the color display 3 are each embodied in the form of a ring segment, for example.
  • the display elements can complement one another to form a ring which is arranged at a distance from the touch sensor 2 of the operating element around said touch sensor.
  • interspaces that are free of a display element can also be arranged between the individual display elements. Said interspaces can increase the contrast between the display elements.
  • the size of the display elements is chosen here to be identical in each case, for example. If interspaces are present between the display elements, then the display elements 3 are preferably arranged equidistantly with respect to one another. The display elements are furthermore preferably arranged uniformly around the touch sensor 2 , such that the entire touch sensor 2 is surrounded by the display elements.
  • the display elements in each case comprise, for example, at least one three-color LED, or in each case consist of a three-color LED.
  • a three-color LED can comprise, for example, one red, one green and one blue light-emitting diode chip.
  • a specific color can be selected by a punctiform movement on the touch sensor 2 .
  • a predetermined trajectory in the RGB color space can be traversed by the light.
  • the instantaneous state of the emitted light is then represented in the entire ring of the display elements that form the color display 3 . That is to say, for example, that the color display 3 simulates the light emitted by the lighting system in terms of its color and/or intensity.
  • the lighting system comprises, in particular, a multiplicity of light-emitting diodes as luminous means.
  • the lighting system comprises a multiplicity of RGB light-emitting diodes, wherein each light-emitting diode chip of an RGB light emitting diode can be driven individually. In this way, it is possible that the RGB light-emitting diodes can emit light of a different color and intensity.
  • the color of this light can be simulated particularly well by the display elements of the color display 3 , which each comprise at least one RGB light-emitting diode.
  • the touch sensor 2 comprises touch-sensitive areas, for example, which are embodied in circular fashion as capacitive sensor areas that respond to a touch with a finger.
  • the fact that the touch-sensitive areas of the touch sensor 2 are arranged in circular fashion means, in particular, that each touch-sensitive area is embodied as a segment of a circle or of a ring. The individual segments then complement one another to form a full circle or a full ring. Since the sensor areas are arranged in a closed circle, it is possible to evaluate the above-described different touches on the circle.
  • selection switch 4 can be an on/off switch.
  • the setting of the hue is predefined by means of the selection switch 5
  • brightness control is predefined by means of the selection switch 6 .
  • FIG. 2 and FIG. 3 illustrate the RGB color space as a circle F.
  • the primary colors red R, green G and blue B are marked at the edges.
  • the white point W is situated in the center of the color space F.
  • the trajectory A through the color space F is illustrated in a “flower pattern”.
  • the setting of the hue begins at the saturated color red R, then leads to the white point W and returns to a saturated color between red and green.
  • the trajectory subsequently leads once again to the white point W, and so on.
  • the movement on the passage on the trajectory A through the color space F is identified by the arrows.
  • FIG. 3 illustrates the color temperature setting of white light.
  • the trajectory A is led through the white point W as a neutral setting.
  • the light can be altered in the direction of red R for warmer light or in the direction B for colder light.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
US13/144,064 2009-01-09 2009-12-29 Method for controlling a lighting system Expired - Fee Related US8638235B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102009003331 2009-01-09
DE102009003331.9 2009-01-09
DE102009003331.9A DE102009003331B4 (de) 2009-01-09 2009-01-09 Verfahren zur Steuerung eines Beleuchtungssystems
PCT/DE2009/001824 WO2010078863A1 (de) 2009-01-09 2009-12-29 Verfahren zur steuerung eines beleuchtungssystems

Publications (2)

Publication Number Publication Date
US20120025738A1 US20120025738A1 (en) 2012-02-02
US8638235B2 true US8638235B2 (en) 2014-01-28

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US13/144,064 Expired - Fee Related US8638235B2 (en) 2009-01-09 2009-12-29 Method for controlling a lighting system

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Country Link
US (1) US8638235B2 (de)
EP (1) EP2386187A1 (de)
CN (1) CN102362548B (de)
DE (1) DE102009003331B4 (de)
WO (1) WO2010078863A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9572223B1 (en) 2015-05-14 2017-02-14 Hughey & Phillips, Llc Precision color-controlled light source

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011009292A1 (de) 2011-01-24 2012-07-26 Vivid Chi Matter And Light Gmbh Verfahren und Vorrichtung zur Steuerung von Farbton und Sättigung von Beleuchtungssystemen
EP2592906B1 (de) * 2011-11-11 2015-05-20 Berchtold Holding GmbH Bedieneinheit mit Bildschirm
BE1020849A5 (nl) * 2012-07-26 2014-06-03 Manzana Bvba Schakelaar.
DE102016104321A1 (de) * 2016-03-09 2017-09-14 Comexio Gmbh Bedieneinrichtung für ein beabstandet zu der Bedieneinrichtung angeordnetes elektrisches Gerät einer Gebäudetechnikinstallation
DE102019216415B4 (de) * 2019-10-24 2022-02-24 Volkswagen Aktiengesellschaft Verfahren und Vorrichtung zum Steuern einer Innenraumbeleuchtung für ein Fahrzeug

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9572223B1 (en) 2015-05-14 2017-02-14 Hughey & Phillips, Llc Precision color-controlled light source

Also Published As

Publication number Publication date
DE102009003331B4 (de) 2018-10-11
EP2386187A1 (de) 2011-11-16
US20120025738A1 (en) 2012-02-02
WO2010078863A1 (de) 2010-07-15
CN102362548A (zh) 2012-02-22
CN102362548B (zh) 2016-05-11
DE102009003331A1 (de) 2010-08-05

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